docs: def _pull_schedule(self, abbreviation, year):
          """
          Download and create objects for the team's schedule.
  
          Given a team abbreviation and season, first download the team's
          schedule page and convert to a PyQuery object, then create a Game
          instance for every game in the team's schedule and append it to the
          '_games' property.
  
          Parameters
          ----------
          abbreviation : string
              A team's short name, such as 'NWE' for the New England Patriots.
          year : string
              The requested year to pull stats from.
          """
          if not year:
              year = utils._find_year_for_season('nfl')
          doc = pq(SCHEDULE_URL % (abbreviation.lower(), year))
          schedule = utils._get_stats_table(doc, 'table#gamelog%s' % year)
          self._add_games_to_schedule(schedule, REGULAR_SEASON, year)
          if 'playoff_gamelog%s' % year in str(doc):
              playoffs = utils._get_stats_table(doc,
                                                'table#playoff_gamelog%s' % year)
              self._add_games_to_schedule(playoffs, POST_SEASON, year)